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# citrix-wem
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In case you get no replies, you might want to search the archive site to see if the thread is there: https://www.linen.dev/s/worldofeuc
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I personally haven't been worrying about disabling fair share CPU on anything recently. Used to be part of my normal multisession steps to optimize but really since 2019 and these Win10/11 multisession, I don't really touch it anymore and doesn't seem to be an issue. With or without WEM Resource Optimization. That's just me though.
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Citrix Workspace Environment Management agents running on multi-session operating systems cannot operate correctly when Microsoft’s Dynamic Fair Share Scheduling (DFSS) is enabled. For information about how to disable DFSS, see CTX127135.
https://docs.citrix.com/en-us/workspace-environment-management/current-release/system-requirements.html#agent
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So this article above tracks with my experience. Super old there as anything saying "XenApp" is first clue. Back in 2008R2 and 2012R2 even, I always did that, just nothing recent.
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@Nick Panaccio thanks, I always do that but could not find it. Anyhow, @Uzair Ali 👍 came up with it and I overlooked the part "system requirements". The big question still is if it's needed to disable fair share or not... The reason I'm asking is because I am troubleshooting some "Not responding" issues on a customers setup where I have disabled TSfairshare in all three locations and have CPU management on.
@Oz Zy from my testing I now believe you are right and for the record, tsfairshare for disk and network are default off (DWORD 0), at least in 2022, most probably in 2019 as well so if anyone still cares about those, you don't need to anymore. At one of my customers where I've followed Citrix pre reqs and disabled CPU fairshare we've had strange problems with lockups and intermittently long logon times. Now I enabled it again and the environment seem much snappier and logon times are back to consistent numbers. So the conclusion is to don't do anything in regards, to tsfairshare. 🙂
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@Robert Berggren yea, cool. Thanks for confirmation on that as to what you are seeing as well here. Nice
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